self.onError=null;
currentX = currentY = 0; 
whichIt = null; 
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;

function SetFloaterPosition(mode)
{
 var s_height = document.body.scrollTop + 0;
// if(!mode)
//  s_height += document.body.scrollTop;

 floater.style.top = s_height;
 floater1.style.top = s_height;
}

<!-- STALKER CODE -->
function heartBeat() {
 if(IE) { 
  diffY = document.body.scrollTop; 
  diffX = 0; 
 }

 if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }

 if(diffY != lastScrollY) {
  percent = .1 * (diffY - lastScrollY);

  if(percent > 0) percent = Math.ceil(percent);
  else percent = Math.floor(percent);
  if(IE) document.all.floater.style.pixelTop += percent;
  if(NS) document.floater.top += percent; 

  lastScrollY = lastScrollY + percent;
 }

 if(diffX != lastScrollX) {
  percent = .1 * (diffX - lastScrollX);
  
  if(percent > 0) percent = Math.ceil(percent);
  else percent = Math.floor(percent);

  if(IE) document.all.floater.style.pixelLeft += percent;
  
  if(NS) document.floater.top += percent;

  
  lastScrollY = lastScrollY + percent;
 } 
} 

if(NS || IE) action = window.setInterval("heartBeat()",1);

window.onresize=heartBeat;